10-16-2006, 02:56 PM
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#1 (permalink)
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Valve adjustment results
I had this annoying rattle at certain RPM and an idle tick so, just for piece of mind, I decided to check the valve lash this weekend. All the exhaust valves were in limits. 2 and 5 intakes were out by at least .005. I tightened them down to .010 like the manual says. The truck seems to run better. I've still got an idle tick but it's not nearly as loud as it was before. The rattle at certain RPM is hardly audible now. I'm surprised that a couple valves that weren't out by much could cause that much noise.
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2005 Cummins 2500 4x4 SB Automatic, Big Horn, cold air intake, 51" Donaldson. TOYO M/T's. Century Cap. BigBob's CB Bracket. XM Radio. ISSPRO dashtop Gauges (Tranny, Pyro, Boost) Thanks to diesel manor. SMARTY
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